Ocean basins are not all formed by erosion. The massive water pressure causes some floors to collapse more quickly.--[[User:Aschlafly|Andy Schlafly]] 00:10, 14 August 2011 (EDT) | Ocean basins are not all formed by erosion. The massive water pressure causes some floors to collapse more quickly.--[[User:Aschlafly|Andy Schlafly]] 00:10, 14 August 2011 (EDT) |